CVE-2022-48697
MediumIn the Linux kernel, the following vulnerability has been resolved: nvmet: fix a use-after-free Fix the following use-after-free complaint triggered by blktests nvme/004: BUG: KASAN: user-memory-access in blk_mq_complete_request_remote+0xac/0x350 Read of size 4 at addr 0000607bd1835943 by task kworker/13:1/460 Workqueue: nvmet-wq nvme_loop_execute_work [nvme_loop] Call Trace: show_stack+0x52/0x58 dump_stack_lvl+0x49/0x5e print_report.cold+0x36/0x1e2 kasan_report+0xb9/0xf0 __asan_load4+0x6b/0x80 blk_mq_complete_request_remote+0xac/0x350 nvme_loop_queue_response+0x1df/0x275 [nvme_loop] __nvmet_req_complete+0x132/0x4f0 [nvmet] nvmet_req_complete+0x15/0x40 [nvmet] nvmet_execute_io_connect+0x18a/0x1f0 [nvmet] nvme_loop_execute_work+0x20/0x30 [nvme_loop] process_one_work+0x56e/0xa70 worker_thread+0x2d1/0x640 kthread+0x183/0x1c0 ret_from_fork+0x1f/0x30
CVSS 3.1 score
5.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness type
CWE-416CVE-2022-48697 is a Use After Free vulnerability
What is Use After Free?
The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE
Affected versions
Linux kernel versions
4.8
and later are affected. Fixed in
4.19.260,
5.4.213,
5.10.143,
5.15.68,
5.19.9,
6.0
and their respective stable series.
References
6 total-
Patch
-
Patch
-
Patch
-
Patch
-
Patch
Frequently asked questions
-
What is CVE-2022-48697?
CVE-2022-48697 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.3 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from 4.8 onward and has been patched in 4.19.260, 5.4.213, 5.10.143 and others. CVE-2022-48697 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
What is the CVSS score for CVE-2022-48697?
CVE-2022-48697 has a CVSS score of 5.3 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L. -
Is there a patch available for CVE-2022-48697?
Yes. CVE-2022-48697 has been patched. Fixed versions include 4.19.260, 5.4.213, 5.10.143 and others. If you are running Linux kernel 4.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2022-48697 actively exploited?
No. CVE-2022-48697 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.